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Fundamentals of Oscilloscopes Slide 10

Aliasing is a phenomena which occurs when sampling is not at the proper frequency, typically when the sample rate is too slow. In this example, samples on the screen result in the red dots sampled on the wave form, six samples. As can be seen the effectively sample rate is too low in frequency, the red line misrepresenting the wave form on the screen.

PTM Published on: 2012-06-11